[Yaesu] FT1000D and DX4WIN

Listers.
Anyone having problems with the FT1000D and DX4WIN? I've been using the
combo for a while now with no problems.
It worked fine in the morning, but when I came back later that day, I kept
getting Radio Error 3, which relates to the computer not getting back the
expected data from the radio.
I've contacted the software folks at Rapidan, but still don't have a clue
as to what the problem might be. All the com ports on the computer are
working fine, just this little problem.
Anyone want to hazard a guess?
Larry N0XB
Northfield, MN
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